CN202752881U - Nine-hole machining fixture for return plates of through-shaft pumps - Google Patents
Nine-hole machining fixture for return plates of through-shaft pumps Download PDFInfo
- Publication number
- CN202752881U CN202752881U CN 201220211214 CN201220211214U CN202752881U CN 202752881 U CN202752881 U CN 202752881U CN 201220211214 CN201220211214 CN 201220211214 CN 201220211214 U CN201220211214 U CN 201220211214U CN 202752881 U CN202752881 U CN 202752881U
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- return plate
- hole
- pump return
- coaxial pump
- fixture
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Abstract
The utility model relates to a fixture, in particular to a nine-hole machining fixture for return plates of through-shaft pumps. The nine-hole machining fixture comprises a foundation, a base and a fixture body, a circular recess is arranged on the fixture body, the size of the circular recess is matched with the outer diameter of a return plate of a through-shaft pump, and the return plate, which is a machined workpiece, of the through-shaft pump is fixed into the circular recess; and a positioning basic hole is arranged in the center of the fixture body, and is peripherally provided with nine chip removal supporting holes corresponding to nine machined hole positions of the return plate, which is the machined workpiece, of the through-shaft pump, a positioning pressure plate shaft is fixed onto the positioning basic hole via a central through hole of the return plate of the through-shaft pump, and the chip removal supporting holes are communicated with chip grooves on the base. The nine-hole machining fixture has the advantages that the fixture is stably fixed with the machined workpiece, shortcomings of easiness in deformation and possibility of change of the position and the angle of a return plate of a through-shaft pump when the return plate is machined are overcome, and the fixture can be conveniently fixed onto a worktable of a machining center via the foundation; the nine chip grooves are machined on the base, so that chips can be smoothly removed and liquid can be smoothly drained when nine holes are machined on the return plate; and the machined workpiece can be positioned and fixedly pressed by the positioning pressure plate shaft.
Description
Technical field
The utility model relates to a kind of anchor clamps, especially nine hole processing clamps of coaxial pump return plate.
Background technology
The coaxial pump return plate is a kind of 42CrMo steel alloy, and thickness is 6.3 ± 0.08mm, because the work piece material is structural alloy steel, and difficult processing; And Thickness Ratio is thinner, require processing nine holes, roughness Ra 0.8, be Ф 0.025mm based on the position degree on 29.5 ° of inclined-planes, perpendicularity based on the B face is 0.02mm, process comprises boring, reaming, bore hole and fraising, exists requirement on machining accuracy high, and manufacturing procedure is many, exist rigidity not enough adding the man-hour work piece, process yielding; Yield rate is low.
Therefore the processing in nine holes is key problem in technology.
Summary of the invention
Technical problem to be solved in the utility model is: a kind of nine hole processing clamps of coaxial pump return plate are provided, and the processed finished products rate is low to improve, the means of production of inefficiency.
The utility model solves the problems of the technologies described above by following technical proposals: a kind of nine hole processing clamps of coaxial pump return plate, comprise base, pedestal and jig main body, wherein, it is recessed that described jig main body is provided with a circle that is complementary with coaxial pump return plate external diameter, work piece coaxial pump return plate be fixed on circle recessed in; There is the positioning datum hole at the center of jig main body, it is corresponding with nine hole sites of work piece coaxial pump return plate that the center has the positioning datum hole to be circumferentially with nine chip removal supported holes, the positioning pressuring plate axle is fixed on the positioning datum hole by the central through hole of coaxial pump return plate, described chip removal supported hole is communicated with chip area on the pedestal, can make things convenient for chip removal, discharge opeing man-hour adding, can play strong annular brace effect man-hour adding again, the positioning pressuring plate axle can play the location, press solidly double action work piece.
On the such scheme basis, be more convenient chip removal, discharge opeing, the aperture of described nine chip removal supported holes is not less than nine machining holes of work piece coaxial pump return plate.
On the such scheme basis, the positioning pressuring plate axle is provided with screw thread, and by Ф D positioning datum hole and 29.5 ° of contour localizations, the screw thread on the positioning pressuring plate axle makes its inclined-plane apply pressure to work piece again, thereby plays fixation workpiece, strengthen the effect of internal ring portion rigidity.
On the such scheme basis, be fixedly connected with by trip bolt between described pedestal and jig main body, make it become a frock whole.
On the such scheme basis, described coaxial pump return plate is fixed on the jig main body by the pressing plate more than two and bridge screw, at jig main body pressing plate is installed, and can strengthen fixing to work piece, improves its outer portion rigidity.
On the such scheme basis, described base is processed with holddown groove, base is fixed on the workbench of machining center.
On the such scheme basis, described pedestal and base are welded into a whole, and structure is more firm.
Superiority of the present utility model is: anchor clamps and workpiece to be machined are steadily fixing, have overcome the defective yielding in the processing of coaxial pump return plate, that position angle may have change, and in addition, anchor clamps can be fixed on the workbench of machining center by base easily; Processed 9 chip areas on the pedestal, can be in processing smooth chip removal during nine holes, discharge opeing; The positioning pressuring plate axle can play the location, press solidly double action work piece.
Description of drawings
Accompanying drawing 1 coaxial pump return plate is installed in the generalized section on the utility model;
Accompanying drawing 2 schematic top plan view of the present utility model;
Accompanying drawing 3 coaxial pump return plate front views;
Accompanying drawing 4 coaxial pump return plate A-A generalized sections;
Number in the figure:
1-base; 11-holddown groove;
2-pedestal; 21-chip area;
3-jig main body;
31-chip removal supported hole; 32-positioning datum hole; The 33--circle is recessed;
4-positioning pressuring plate axle;
5-coaxial pump return plate; 51-machining hole; 52-central through hole;
6-bridge screw; 7-pressing plate; 8-trip bolt.
The specific embodiment
Be installed in generalized section on the utility model such as accompanying drawing 1 coaxial pump return plate; Accompanying drawing 2 schematic top plan view of the present utility model; Shown in accompanying drawing 3 coaxial pump return plate front views and the accompanying drawing 4 coaxial pump return plate A-A generalized sections:
A kind of nine hole processing clamps of coaxial pump return plate comprise base 1, pedestal 2 and jig main body 3, and wherein, it is recessed 33 that described jig main body 3 is provided with a circle that is complementary with coaxial pump return plate 5 external diameters, and work piece coaxial pump return plate 5 is fixed in the circle recessed 33; There is positioning datum hole 32 at the center of jig main body 3, it is corresponding with nine machining hole 51 positions of coaxial pump return plate 5 that positioning datum hole 32 is circumferentially with nine chip removal supported holes 31, positioning pressuring plate axle 4 is fixed on the positioning datum hole 32 through the central through hole 52 of its coaxial pump return plates 5, and described chip removal supported hole 31 is communicated with chip area 21 on the pedestal 2.
[0015] concrete structure is:
1) base 1 is processed with 4 holddown grooves 11, can conveniently whole frock clamp be fixed on the workbench of machining center;
2) processed 9 chip areas 21 on the pedestal 2, can be in processing smooth chip removal during nine holes, discharge opeing;
3) pedestal 2 is welded into a whole with base 3, and two planes are through plain grinding, and its depth of parallelism is controlled at 0.005mm;
4) jig main body 3 is fixed on the pedestal 2 by three trip bolts 8, becomes a frock whole, and its work piece datum level and base 3 plane parallelisms finally are controlled at 0.01mm;
5) because the work piece material is structural alloy steel, difficult processing, and thinner thickness, only has 6.3mm, and manufacturing procedure is more, comprises boring, reaming, bore hole, fraising to nine holes, exists man-hour rigidity not enough adding, therefore taked three measures at jig main body, thereby guaranteed final machining accuracy:
A. be processed with nine chip removal supported holes 31 on the jig main body 3, the radius in its hole can make things convenient for chip removal, discharge opeing greater than work piece machining hole 1mm, can play strong annular brace effect man-hour adding again;
B. the installation of positioning pressuring plate axle 4 clamps, can play the location, press solidly double action, namely by Ф D positioning datum and 29.5 ° of contour localizations, the screw thread on the positioning pressuring plate axle makes its inclined-plane apply pressure to work piece again, thereby plays fixation workpiece, strengthen the effect of internal ring portion rigidity;
C., three pressing plates 7 are installed on the jig main body 3, can strengthen fixing to work piece, improve its outer portion rigidity.
Claims (7)
1. nine hole processing clamps of a coaxial pump return plate comprise base, pedestal and jig main body, it is characterized in that, it is recessed that described jig main body is provided with a circle that is complementary with coaxial pump return plate external diameter, work piece coaxial pump return plate be fixed on circle recessed in; There is the positioning datum hole at the center of jig main body, it is corresponding with nine machining hole positions of work piece coaxial pump return plate that the positioning datum hole is circumferentially with nine chip removal supported holes, the positioning pressuring plate axle is fixed on the positioning datum hole by the central through hole of coaxial pump return plate, and described chip removal supported hole is communicated with chip area on the pedestal.
2. nine hole processing clamps of coaxial pump return plate according to claim 1 is characterized in that, the aperture of described nine chip removal supported holes is not less than nine machining holes of work piece coaxial pump return plate.
3. nine hole processing clamps of coaxial pump return plate according to claim 1, it is characterized in that, the positioning pressuring plate axle is provided with screw thread, by Ф D positioning datum and 29.5 ° of contour localizations, through the screw thread on the positioning pressuring plate axle its inclined-plane is applied pressure on the work piece again.
4. nine hole processing clamps of coaxial pump return plate according to claim 1 is characterized in that, are fixedly connected with by trip bolt between described pedestal and jig main body.
5. nine hole processing clamps of coaxial pump return plate according to claim 1 is characterized in that, described coaxial pump return plate is fixed on the jig main body by the pressing plate more than two and bridge screw.
6. nine hole processing clamps of coaxial pump return plate according to claim 1 is characterized in that, described base has holddown groove, are used for base is fixed on the workbench of machining center.
7. nine hole processing clamps of coaxial pump return plate according to claim 1 and 2 is characterized in that, described pedestal and base are welded into a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220211214 CN202752881U (en) | 2012-05-11 | 2012-05-11 | Nine-hole machining fixture for return plates of through-shaft pumps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220211214 CN202752881U (en) | 2012-05-11 | 2012-05-11 | Nine-hole machining fixture for return plates of through-shaft pumps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202752881U true CN202752881U (en) | 2013-02-27 |
Family
ID=47732076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220211214 Expired - Fee Related CN202752881U (en) | 2012-05-11 | 2012-05-11 | Nine-hole machining fixture for return plates of through-shaft pumps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202752881U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103921142A (en) * | 2014-04-18 | 2014-07-16 | 蒋剑锋 | Fixing clamp for turning special-shaped workpiece |
| CN105710672A (en) * | 2016-03-21 | 2016-06-29 | 江苏森威集团飞达股份有限公司 | Electric driving shaft milling fixture of new energy passenger car |
| CN105855943A (en) * | 2016-05-12 | 2016-08-17 | 浙江同济科技职业学院 | Internal chip removal type telescopic gapless positioning device |
| CN106695389A (en) * | 2017-01-03 | 2017-05-24 | 湖南湘衡泵业有限责任公司 | Oil pump clamp body |
| CN107511697A (en) * | 2017-09-30 | 2017-12-26 | 国泰精密机件（无锡）有限公司 | Precision workpiece locating and machining error prevention device |
| CN110153753A (en) * | 2019-06-28 | 2019-08-23 | 杭州力龙液压有限公司 | Fixed device and Boring device |
-
2012
- 2012-05-11 CN CN 201220211214 patent/CN202752881U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103921142A (en) * | 2014-04-18 | 2014-07-16 | 蒋剑锋 | Fixing clamp for turning special-shaped workpiece |
| CN105710672A (en) * | 2016-03-21 | 2016-06-29 | 江苏森威集团飞达股份有限公司 | Electric driving shaft milling fixture of new energy passenger car |
| CN105855943A (en) * | 2016-05-12 | 2016-08-17 | 浙江同济科技职业学院 | Internal chip removal type telescopic gapless positioning device |
| CN106695389A (en) * | 2017-01-03 | 2017-05-24 | 湖南湘衡泵业有限责任公司 | Oil pump clamp body |
| CN107511697A (en) * | 2017-09-30 | 2017-12-26 | 国泰精密机件（无锡）有限公司 | Precision workpiece locating and machining error prevention device |
| CN110153753A (en) * | 2019-06-28 | 2019-08-23 | 杭州力龙液压有限公司 | Fixed device and Boring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20180511 |